EP 0889942 B1 20011031 - PDLC CELL
Title (en)
PDLC CELL
Title (de)
PDLC-ZELLE
Title (fr)
CELLULE PDLC
Publication
Application
Priority
- EP 98900029 A 19980112
- EP 97200218 A 19970128
- IB 9800033 W 19980112
Abstract (en)
[origin: WO9832814A1] The invention provides a method of filling a PDLC cell, a polymerizable mixture suitable for this purpose as well as a display device provided with such a PDLC cell. The mixture in accordance with the invention comprises two types of non-volatile reactive monomers, the first type of monomer being readily miscible with liquid crystalline material and the second type of monomer being poorly miscible with the liquid crystalline material. Such mixtures prove to be very stable. In addition, when such mixtures are used in cells, problems regarding compositional drift do not occur. Cells in which the inventive mixture is used demonstrate a relatively low hysteresis as well as relatively low switching voltage. By virtue thereof, it is very attractive to use these cells in a display device.
IPC 1-7
IPC 8 full level
C09K 19/54 (2006.01); G02F 1/1333 (2006.01); G02F 1/1334 (2006.01)
CPC (source: EP US)
C09K 19/544 (2013.01 - EP US); G02F 1/1334 (2013.01 - EP US); C09K 2323/00 (2020.08 - EP US)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 9832814 A1 19980730; DE 69802238 D1 20011206; DE 69802238 T2 20020627; EP 0889942 A1 19990113; EP 0889942 B1 20011031; JP 2000508710 A 20000711; US 2002045014 A1 20020418; US 6306469 B1 20011023
DOCDB simple family (application)
IB 9800033 W 19980112; DE 69802238 T 19980112; EP 98900029 A 19980112; JP 52917498 A 19980112; US 1354698 A 19980126; US 87731201 A 20010608